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https://github.com/MartinThoma/LaTeX-examples.git
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89 lines
4.1 KiB
TeX
89 lines
4.1 KiB
TeX
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\documentclass{standalone}
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\usepackage{amssymb}
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\usepackage{tikz}
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\usetikzlibrary{calc}
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\begin{document}
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\newcommand{\filtersize}{3}
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\newcommand{\filterx}{8}
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\newcommand{\filtery}{2.2}
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\newcommand{\filteroffset}{1}
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\newcommand{\imagesize}{7}
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\newcommand{\imagex}{0}
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\newcommand{\imagey}{0}
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\newcommand{\imageoffset}{2}
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\newcommand{\outx}{13}
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\newcommand{\outy}{0}
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\newcommand{\outoffset}{2}
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\newcommand{\percx}{1}
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\newcommand{\percy}{2}
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\begin{tikzpicture}
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% ,circle,thick,draw=black,fill=black,minimum width=4pt,minimum height=4pt
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\tikzstyle{point}=[draw=none,inner sep=0pt]
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% draw perceptive field
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\node (p1)[point] at (\imagex+\percx,
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\imagey+\percy+\percx*\imageoffset/\imagesize) {};
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\node (p2)[point] at (\imagex+\percx+\filtersize,
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\imagey+\percy+\percx*\imageoffset/\imagesize+\filtersize*\imageoffset/\imagesize) {};
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\node (p3)[point,blue] at (\imagex+\percx+\filtersize,
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\imagey+\percy+\filtersize+\percx*\imageoffset/\imagesize+\filtersize*\imageoffset/\imagesize) {};
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\node (p4)[point] at (\imagex+\percx,
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\imagey+\percy+\filtersize+\percx*\imageoffset/\imagesize) {};
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\draw[fill=gray] (p1.center) -- (p2.center) -- (p3.center) -- (p4.center) -- (p1.center);
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% draw output point
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\node (o1)[point] at (\outx+\percx+1,
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\outy+\percy+\percx*\outoffset/\imagesize+1+1*\outoffset/\imagesize) {};
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\node (o2)[point] at (\outx+\percx+2,
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\outy+\percy+\percx*\outoffset/\imagesize+1*\outoffset/\imagesize+1+1*\outoffset/\imagesize) {};
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\node (o3)[point,blue] at (\outx+\percx+2,
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\outy+\percy+1+\percx*\outoffset/\imagesize+1*\outoffset/\imagesize+1+1*\outoffset/\imagesize) {};
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\node (o4)[point] at (\outx+\percx+1,
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\outy+\percy+2+\percx*\outoffset/\imagesize+1*\outoffset/\imagesize) {};
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\draw[fill=black] (o1.center) -- (o2.center) -- (o3.center) -- (o4.center) -- (o1.center);
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% draw image
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\foreach \x in {0,...,\imagesize}
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{
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\draw (\imagex+\x, \imagey+\x*\imageoffset/\imagesize) -- (\imagex+\x, \imagey+\imagesize+\x*\imageoffset/\imagesize);
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\draw (\imagex, \imagey+\x) -- (\imagex+\imagesize, \imagey+\x+\imageoffset);
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}
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% draw filter
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\foreach \x in {0,...,\filtersize}
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{
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\draw (\filterx+\x, \filtery+\x*\filteroffset/\filtersize) -- (\filterx+\x, \filtery+\filtersize+\x*\filteroffset/\filtersize);
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\draw (\filterx, \filtery+\x) -- (\filterx+\filtersize, \filtery+\x+\filteroffset);
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}
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% draw out
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\foreach \x in {0,...,\imagesize}
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{
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\draw (\outx+\x, \outy+\x*\outoffset/\imagesize) -- (\outx+\x, \outy+\imagesize+\x*\outoffset/\imagesize);
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\draw (\outx, \outy+\x) -- (\outx+\imagesize, \outy+\x+\outoffset);
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}
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\node at (\imagex + \imagesize/2,\imagey + \imagesize + 2) {$I \in \mathbb{R}^{\imagesize \times \imagesize}$};
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\node at (\filterx + \filtersize/2,\filtery + \filtersize + 2) {$F \in \mathbb{R}^{\filtersize \times \filtersize}$};
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\node at (\outx + \imagesize/2,\outy + \imagesize + 2) {$I' \in \mathbb{R}^{\imagesize \times \imagesize}$};
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\node[draw,circle] (sumsymb) at (\filterx + \filtersize+1,\filtery + \filtersize/2 + \filteroffset-0.5) {$\sum$};
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\draw[dashed] (1.5, 2.9) -- (10.5, 2.9) -- (sumsymb.center);
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\draw[dashed] (1.5, 2.9+\filtersize-1) -- (10.5, 2.9+\filtersize-1) -- (sumsymb.center);
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\draw[dashed] (1.5+\filtersize-1, 2.9+\filtersize-1+2*\filteroffset/3) -- (10.5+\filtersize-1, 2.9+\filtersize-1+2*\filteroffset/3) -- (sumsymb.center);
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\draw[dashed] (1.5+\filtersize-1, 2.9+2*\filteroffset/3) -- (10.5+\filtersize-1, 2.9+2*\filteroffset/3) -- (sumsymb.center);
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\draw[dashed] (sumsymb.center) -- (15, 4);
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\node[draw,circle,fill=white] at (5.5, 2.9) {$+$};
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\node[draw,circle,fill=white] at (5.5+\filtersize-1, 2.9+2*\filteroffset/3) {$+$};
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\node[draw,circle,fill=white] at (5.5+\filtersize-1, 2.9+2*\filteroffset/3+\filtersize-1) {$+$};
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\node[draw,circle,fill=white] at (5.5, 2.9+\filtersize-1) {$+$};
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\node[draw,circle,fill=white] at (sumsymb.center) {$\sum$};
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\end{tikzpicture}
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\end{document}
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